cities. and you have a presence of drug cartels in dozen of u.s. cities. so they're very much integrated in our society. >> rubin says americans and mexicans have to start thinking of the drug war in the same terms that they do the war on terror. it will be fought for a long time, maybe even without end. and when you take out some top leaders, others will certainly replace them, wolf. >> in your conversations, brian, with mexican officials, you're getting other information about how the newly elected mexican president will deal with this drug war? >> that's right. one mexican official told me president-elect pena nieto is likely going to dissolve the ministry of public security or the secretary of public security which the president created a few years ago. he's going to fold that into the interior ministry. the idea is to better coordinate operations against the cartel leaders and place the federal police inside the interior ministry. they hope that will lead to better coordination, streamline operations and maybe more success. >> it's a huge, huge proces